The script typically automates quest completion (like killing 5 psychopaths or zombies) to reach the level 200 cap faster.
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Reviewing a "New Soul Eater Resonance Script GUI" requires looking at how it modifies the core mechanics of the game, such as the Meister and Weapon bonding system and the Resonance mini-game .
Drastically reduces the time needed to grind the 99 souls required for evolution.